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Three small spheres of the same volume are fully submerged in a large tank water, and all three are held motionless. Sphere A has a

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Three small spheres of the same volume are fully submerged in a large tank water, and all three are held motionless. Sphere A has a density greater than that of water, sphere B's density is equal to that of water, and sphere C's density is less than that of water. At time t = 0, all three spheres are released. Part 1: At time t = 0, when the spheres are still all three fully submerged, rank the magnitude of buoyant force on each, and explain your answer. Your choices are: - FA>FB=FC FA>FB>FC - FA = Fa=Fc - FA=FB>FC Part 2: Shortly after time t = 0, while at least some of the spheres are moving, and while all three spheres are still fully submerged, determine the direction of acceleration of sphere's A, B, and C, and explain your answers. Hint: For each sphere, your choices for answer are UP, DOWN, and N0 ACCELERATION (acceleration 0) Part 3: Long after time t = 0, when all three spheres have settled, rank the magnitude of buoyant force on each, and explain your answer. Your choices are: - FA)F3=FC FA>FB>FC - FA = FB=Fc - FA=F33>FC

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